//
//  UITextField+Validation.m
//  HotelManager-Pad
//
//  Created by YR on 17/2/7.
//  Copyright © 2017年 塞米酒店. All rights reserved.
//

#import "UITextField+Validation.h"

@implementation UITextField (Validation)

- (BOOL)valiMobile:(NSString *)mobile
{
    mobile = [mobile stringByReplacingOccurrencesOfString:@" " withString:@""];
    if (mobile.length != 11)
    {
        return NO;
    }else{
        /**
         * 移动号段正则表达式
         */
        NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
        /**
         * 联通号段正则表达式
         */
        NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
        /**
         * 电信号段正则表达式
         */
        NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
        NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
        BOOL isMatch1 = [pred1 evaluateWithObject:mobile];
        NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
        BOOL isMatch2 = [pred2 evaluateWithObject:mobile];
        NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
        BOOL isMatch3 = [pred3 evaluateWithObject:mobile];
        
        if (isMatch1 || isMatch2 || isMatch3) {
            return YES;
        }else{
            return NO;
        }
    }
}

/**
 * 描述：验证字符串是否为邮箱
 * 返回值：真为符合，假为不符合
 */
-(BOOL)validateEmail{
    NSString *email = self.text;
    if ((0 != [email rangeOfString:@"@"].length) && (0 != [email rangeOfString:@"."].length)) {
        
        NSCharacterSet *tmpInvalidCharSet = [[NSCharacterSet alphanumericCharacterSet] invertedSet];
        NSMutableCharacterSet *tmpInvalidMutableCharSet = [tmpInvalidCharSet mutableCopy];
        [tmpInvalidMutableCharSet removeCharactersInString:@"_-"];
        
        //使用compare option 来设定比较规则，如
        // NSCaseInsensitiveSearch是不区分大小写
        // NSLiteralSearch 进行完全比较,区分大小写
        // NSNumericSearch 只比较定符串的个数，而不比较字符串的字面值
        NSRange range1 = [email rangeOfString:@"@" options:NSCaseInsensitiveSearch];
        
        //取得用户名部分
        NSString *userNameString = [email substringToIndex:range1.location];
        NSArray *userNameArray   = [userNameString componentsSeparatedByString:@"."];
        
        for (NSString *string in userNameArray) {
            NSRange rangeOfInavlidChars = [string rangeOfCharacterFromSet:tmpInvalidMutableCharSet];
            if (rangeOfInavlidChars.length != 0 || [string isEqualToString:@""]) return NO;
        }
        
        NSString *domainString = [email substringFromIndex:range1.location + 1];
        NSArray *domainArray   = [domainString componentsSeparatedByString:@"."];
        
        for (NSString *string in domainArray) {
            NSRange rangeOfInavlidChars = [string rangeOfCharacterFromSet:tmpInvalidMutableCharSet];
            if (rangeOfInavlidChars.length != 0 || [string isEqualToString:@""]) return NO;
        }
        
        return YES;
    } else // no ''@'' or ''.'' present
        return NO;
}

@end
